html,body,main {
    width: 100%;
    height: 100%;
    background: #FAFAF6;    
}

#page-1{
    display: flex;
    /* #F5F5F5 */
    width: 100%;
    height: 100%;
}

#page-1 {
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: #00D1FF;
    color: #FAFAF6;
}
.title {
    font-size: 100px;
    font-weight: 100;
}
.describe {
    font-size: 30px;
    font-weight: 100;
}
#page-2 {
    color: #2C3E50;
    display: flex;
    min-height: 100%;
}

.info {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    flex-direction: column;
    padding-top: 100px;
    background: #00D1FF;
    color: #fff;
    width: 40%;
}
.info a {
    color: inherit;
}
.info .profile-photo {
    width: 100px;
    height: 100px;
    margin-bottom: 20px;
    border: rgba(255, 255, 255, 0.85) solid 5px;
    border-radius: 50%;
    align-self: center;
}
.info p {
    font-size: 25px;
    width: 300px;
    height: 50px;
    line-height: 50px;
}
.info p i {
    padding-right: 8px;
    font-size: 20px;
}
.info .name {
    text-align: center;
    margin-bottom: 50px;
}
.content {
    box-sizing: border-box;
    width: 60%;
    padding: 40px;
}

.mini-title {
    position: relative;
    font-size: 30px;
    text-align: center;
    /* background: #FAFAF6; */
    padding: 0 5px;
    z-index: 1;
}
/* 不想再嵌套一层标签只能这样 */
.mini-title::after, .mini-title::before {
    content: "";
    display: block;
    position: absolute;
    top: 50%;
    width: 42%;
    height: 1px;
    z-index: -1;
    background: #aaa;
}
.mini-title::before {
    right: 0;
}
.learning-list {
    display: flex;
    flex-direction: column;
}
.learning-item {
    position: relative;
    margin: 0;
    padding-left: 50px;
    padding-top: 27px;
    background: #FAFAF6;
}
.learning-item::after, .learning-item::before{
    content: "";
    display: block;
    position: absolute;
}
.learning-item::after {
    top: 0;
    width: 3px;
    left: 30px;
    height: 100%;
    background: #aaa;
    box-shadow: 0 0 5px 1px #ccc;
}
.learning-item::before {
    width: 20px;
    height: 20px;
    top: 30px;
    left: 22px;
    border-radius: 50%;
    background: #00D1FF;
    box-shadow: 0 0 5px 1px #00D1FF;
    z-index: 1;
}
.learning-item .time {
    /* padding-top: 30px; */
    font-size: 25px;
}
.learning-item dt, .learning-item dd{
    font-size: 20px;
    margin-left: 20px;
}
.learning-item dd {
    color: #aaa;
}

@media(max-width: 600px) {
    #page-2 {
        display: flex;
        flex-direction: column;
    }
    .title {
        font-size: 30px;
        font-weight: 100;
    }
    .describe {
        font-size: 30px;
        font-weight: 100;
    }
    .info {
        width: 100%;
    }
    .info .name {
        margin-bottom: 0;
    }
    .content {
        width: 100%;
        padding: 10px;
    }
    .info p {
        font-size: 16px;
        width: 200px;
    }
    .mini-title::after, .mini-title::before {
        content: "";
        display: block;
        position: absolute;
        top: 50%;
        width: 23%;
        height: 1px;
        z-index: -1;
        background: #aaa;
    }
    .learning-item .time {
        font-size: 18px;
    }
    .learning-item dt,
    .learning-item dd{
        font-size: 14px;
    }
}